11544420504 has 32 divisors (see below), whose sum is σ = 28863684720. Its totient is φ = 3847789056.

The previous prime is 11544420499. The next prime is 11544420509. The reversal of 11544420504 is 40502444511.

It is an interprime number because it is at equal distance from previous prime (11544420499) and next prime (11544420509).

It is a super-2 number, since 2×11544420504² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11544420509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497284 + ... + 519980.

Almost surely, 2^11544420504 is an apocalyptic number.

It is an amenable number.

11544420504 is an abundant number, since it is smaller than the sum of its proper divisors (17319264216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11544420504 is a wasteful number, since it uses less digits than its factorization.

11544420504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43899 (or 43895 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 11544420504 in words is "eleven billion, five hundred forty-four million, four hundred twenty thousand, five hundred four".